CN108487457A - A kind of prefabricated assembled frame column of curved scissors separate type and its construction method - Google Patents

A kind of prefabricated assembled frame column of curved scissors separate type and its construction method Download PDF

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Publication number
CN108487457A
CN108487457A CN201810192223.0A CN201810192223A CN108487457A CN 108487457 A CN108487457 A CN 108487457A CN 201810192223 A CN201810192223 A CN 201810192223A CN 108487457 A CN108487457 A CN 108487457A
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CN
China
Prior art keywords
column
sealing plate
steel
steel sealing
prop
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CN201810192223.0A
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Chinese (zh)
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CN108487457B (en
Inventor
张翠强
田振
李六连
王鹏
史鹏飞
孙建运
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中国建筑股份有限公司
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Priority to CN201810192223.0A priority Critical patent/CN108487457B/en
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Publication of CN108487457B publication Critical patent/CN108487457B/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • E04B1/215Connections specially adapted therefor comprising metallic plates or parts

Abstract

A kind of prefabricated assembled frame column of curved scissors separate type and its construction method, column section includes upper prop section and lower prop section, the stitching portion of column section is located at moment of flexure inflection point, the bottom face of column section is embedded with horizontal bottom end steel sealing plate, the lower surface of bottom end steel sealing plate is equipped with the shear key of downward evagination, the top end face of column section is embedded with horizontal top steel sealing plate, the upper surface of top steel sealing plate is equipped with is adapted setting with shear key, the shearing resistance keyway of downward indent, bottom end steel sealing plate is fitted closely with top steel sealing plate, shear key is caught in downwards in shearing resistance keyway, shear key is fitted close with shearing resistance keyway, top steel sealing plate is connected to one with bottom end steel sealing plate by bending resistance part.The frame column of the present invention detaches curved scissors component, it is ensured that the vertical bearing capacity of frame column meets antidetonation demand, and simple structure, processing construction and installation are convenient, while economically feasible sexual valence is than high.

Description

A kind of prefabricated assembled frame column of curved scissors separate type and its construction method

Technical field

The present invention relates to a kind of frame structure vertical member, especially a kind of prefabricated frame trestle for curved scissors separation and its Construction method.

Background technology

Since housing demand is huge in the promotion and Development of China's Urbanization of economic development and technological progress, labor shortage etc. Limiting factor is laid a good foundation for the application of housing industrialization and prefabricated components.Prefabricated construction is to be with prefabricated components Main member, through assembly, connection, part it is cast-in-place made of concrete structure.Prefabricated components have efficiency of construction height, at low cost, The green construction principle for meeting " four sections, one environmental protection " simultaneously, is the developing direction of field of civil engineering.

Precast assembled vertical member frame column at present, most of vertical connection type between component is using grout sleeve Connection type.And the grouting compaction rate of grout sleeve is detected, detection method and means all have limitation, at present still It is not well solved, the quality control ratio of this kind of connection type is more difficult to get guarantee, also can not effectively control construction Quality.

Invention content

The object of the present invention is to provide a kind of prefabricated assembled frame column of curved scissors separate type and its construction method, to solve existing It can not ensure accordingly with the presence of the connection type grouting compaction rate detection level of grout sleeve is used between prefabricated frame trestle Quality of connection, and then the technical issues of control construction quality.

To achieve the above object, the present invention adopts the following technical scheme that:

A kind of prefabricated assembled frame column of curved scissors separate type includes the column section of the precast concrete of about one group splicing, column section packet Including upper prop section and lower prop section, the stitching portion of the column section is located at the interlayer of frame structure, at the moment of flexure inflection point in the middle part of column section,

The bottom face of the column section is embedded with horizontal bottom end steel sealing plate, the cross-section center at the center and column section of bottom end steel sealing plate It overlapping, the lower surface of the bottom end steel sealing plate is equipped with the shear key of downward evagination,

The top end face of the column section is embedded with horizontal top steel sealing plate, the cross-section center at the center and column section of top steel sealing plate It overlapping, the upper surface of the top steel sealing plate is equipped with the shearing resistance keyway with the adaptable setting of shear key, downward indent,

The bottom end steel sealing plate is identical as the size of top steel sealing plate and is all higher than the size of column section,

The bottom end steel sealing plate of the upper prop section is fitted closely with the top steel sealing plate of lower prop section, while the shear key of bottom end steel sealing plate Be caught in the shearing resistance keyway of top steel sealing plate downwards, shear key and shearing resistance keyway are fitted close, the top steel sealing plate of lower prop section with Edge of the bottom end steel sealing plate of upper prop section beyond corresponding column section surrounding around the uniformly distributed bending resistance part of column septa intersegmental by being fixedly connected It is integrated,

Bottom end is fixedly connected between the bottom end steel sealing plate and column section to put more energy into, it is fixed between the top steel sealing plate and column section to connect Top is connected to put more energy into.

The shearing strength of the shear key is not less than the shearing strength of column section itself.

The shear key and the mechanical machine-shaping of bottom end steel sealing plate one, shear key center pair on the steel sealing plate of bottom end Claim setting, for positioned at the combination of the convex block in bottom end steel sealing plate center, raised line or both,

The shearing resistance keyway and the mechanical machine-shaping of top steel sealing plate one, the shearing resistance keyway on the steel sealing plate of bottom end with shearing resistance Key is adapted setting.

The moment capacity of the bending resistance part is not less than the anti-bending bearing capacity of column section itself.

The bending resistance part is bending resistance fastening bolt, including screw rod and nut,

Edge of the top steel sealing plate beyond corresponding column section surrounding is provided with top connecting hole, and the bottom end steel sealing plate is beyond corresponding The edge of column section surrounding is provided with bottom end connecting hole, and the screw rod sequentially passes through top connecting hole and bottom end connecting hole and passes through fastening Nut to top steel sealing plate lower surface is fixed.

The bottom end, which is put more energy into, includes the bottom end steel bushing of pre-buried enclosing column section bottom end surrounding, the outer surface of the bottom end steel bushing With the flush with outer surface of column section, it further includes being set within one week between bottom end steel bushing and bottom end steel sealing plate, around column section that the bottom end, which is put more energy into, The bottom end stiffener set,

The outer surface of bottom end stiffener spatial vertical bottom end steel bushing and the uper side surface of bottom end steel sealing plate, and with two Person is welded to connect, and the top edge of bottom end stiffener is concordant with the top edge of bottom end steel bushing, the outer edge of bottom end stiffener and bottom Hold the outer edge of steel sealing plate concordant;

The top, which is put more energy into, includes the top steel bushing of pre-buried enclosing column section top end part surrounding, the outer surface of the top steel bushing and column The flush with outer surface of section, it further includes between top steel bushing and top steel sealing plate, around the setting in one week of column section that the top, which is put more energy into, Top stiffener,

The outer surface of top stiffener spatial vertical top steel bushing and the downside surface of top steel sealing plate, and with two Person is welded to connect, and the lower edge of top stiffener is concordant with the lower edge of top steel bushing, the outer edge of top stiffener and top Hold the outer edge of steel sealing plate concordant.

A kind of construction method of the prefabricated assembled frame column of curved scissors separate type, construction procedure are as follows:

Step 1, the length for designing each layer column section make column section stitching portion be located at frame column at the moment of flexure inflection point of interlayer, if Count the positions and dimensions of shear key setting, the position of design bending resistance part setting and number;

Step 2, on factory process top, steel sealing plate, bottom end steel sealing plate, top put more energy into and put more energy into bottom end;

It is machined integrally formed shearing resistance keyway on the steel sealing plate of top, top connecting hole is opened up on the steel sealing plate of top;

It is machined integrally formed shear key on the steel sealing plate of bottom end, bottom end connecting hole is opened up on the steel sealing plate of bottom end;

In prefabricated upper prop section, by the welding of bottom end steel bushing and bottom end steel sealing plate, bottom end stiffener is welded on bottom end steel bushing and bottom Between holding steel sealing plate, it is fixedly connected with the anchor pole anchored into column section on the inner wall of bottom end steel bushing, then pours the concrete of column section The pre-buried bottom end steel sealing plate of column section bottom face, the lower concrete of column section is set to be cast in as template using bottom end steel bushing and bottom end steel sealing plate Interior, the outer surface of column section rest part concrete is concordant with the outer surface of bottom end steel bushing to be poured;

In prefabricated lower prop section, by the welding of top steel bushing and top steel sealing plate, top stiffener is welded on top steel bushing and top Between holding steel sealing plate, it is fixedly connected with the anchor pole anchored into column section on the inner wall of top steel bushing, then pours the concrete of column section The pre-buried top steel sealing plate of column section top end face, the top concrete of column section is set to be cast in as template using top steel bushing and top steel sealing plate Interior, the outer surface of column section rest part concrete is concordant with the outer surface of top steel bushing to be poured;

Step 3 transports the prefabricated column section of each layer to construction site;

Step 4, according to design connection first layer column section and second layer column section, first layer column section is lower prop section, second layer column at this time Section is upper prop section, and the bottom end steel sealing plate of upper prop section fits closely with the top steel sealing plate of lower prop section, while by bottom end steel sealing plate Shear key is caught in downwards in the shearing resistance keyway of top steel sealing plate, and shear key is fitted close with shearing resistance keyway, top connecting hole and bottom Connecting hole alignment is held, screw rod is penetrated to holes and fastening nut successively, two layers of column section splicing is made to be integrated;

Step 5, successively splicing column section completes the frame column of entire frame structure until constructing upwards.

Compared with prior art the invention has the characteristics that and advantageous effect:

The present invention overcomes conventional grout sleeves to be difficult to detect, and the limited maintenance of detection means is difficult, what construction quality can not ensure Problem proposes a kind of new frame column of combination assembling frame structure, for connection type, for the loading characteristic of frame column, It is proposed the connection of frame column curved scissors separate type.Frame column is separated into prefabricated formed in advance at the moment of flexure recurvation point height of every layer of frame column Column section processed, then the creative curved scissors primary structure member by frame column junction two components difference are broken up by solid memder Moment of flexure and shearing are undertaken, keeps, by flechette, keeping by curved elasticity using bending resistance bolt using shear key.

For the present invention compared to other grout sleeve connection types, quality of connection is easily controllable, and connects leakage, is easy to tie up Repair inspection.Shear key also functions to prefabricated post installation positioning action while Transfer of Shear;And using pre-buried end plate using anti- Curved bolt connecting mode transmits moment of flexure.This kind of connection type can utilize fabricated construction prefabrication that can be accurately positioned built-in fitting, Construction site installation simplifies, and improves installation effectiveness, from the upper easy construction of construction.Its moment of flexure and shearing are also easily guaranteed that from design Transmission, ensure the continuity and globality of vertical member.

Mechanics of the present invention is clear, and force-mechanism is the feature in column by using pillar inflection point, is arranged in column Splicing, shear V is transmitted by shear key and shearing resistance keyway at this, and the pressure F1F2 of upper lower prop section shearing bolt, forms power Even M does not allow pillar that relative rotation occurs, ensures the vertical bearing capacity of pillar, meet antidetonation demand, and simple structure is easy to process, Construction and installation are convenient, while economically feasible sexual valence is than high.

Description of the drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 is the structural schematic diagram of the present invention.

Fig. 2 is the schematic diagram that A amplifies at Fig. 1.

Fig. 3 is the node splicing assembling schematic diagram of Fig. 2.

Fig. 4 is the force analysis figure of Fig. 2.

Fig. 5 is the present invention looks up structural representation at the middle B-B of Fig. 3.

Fig. 6 is the overlooking structure diagram at the middle B-B of Fig. 3.

Reference numeral:1- upper props section, 2- lower props section, at 3- moment of flexure inflection points, the bottom ends 4- steel sealing plate, the bottom ends 41- connect Connect hole, 5- shear keies, the tops 6- steel sealing plate, the tops 61- connecting hole, 7- shearing resistances keyway, 8- bending resistances part, 81- screw rods, 82- nuts, the bottom ends 9- put more energy into, the bottom ends 91- steel bushing, the bottom ends 92- stiffener, the tops 10- are put more energy into, the tops 101- steel bushing, The tops 102- stiffener.

Specific implementation mode

Embodiment is referring to shown in Fig. 1-6, a kind of prefabricated assembled frame column of curved scissors separate type, including about one group splicing The column section of precast concrete, column section include upper prop section 1 and lower prop section 2, the stitching portion of the column section be located at the interlayer of frame structure, 3 at moment of flexure inflection point in the middle part of column section.

The bottom face of the column section is embedded with horizontal bottom end steel sealing plate 4, and the center of bottom end steel sealing plate 4 is transversal with column section Face center overlaps, and the lower surface of the bottom end steel sealing plate 4 is equipped with the shear key 5 of downward evagination.The shear key 5 is sealed with bottom end steel The mechanical machine-shaping of 3 one of plate, the center symmetric setting on bottom end steel sealing plate 3 of the shear key 5, to be located in the steel sealing plate of bottom end The combination of the convex block of centre, raised line or both.Convex block in the present embodiment to be centrally located in center.

The top end face of the column section is embedded with horizontal top steel sealing plate 6, and the center of top steel sealing plate 6 is transversal with column section Face center overlaps, and the upper surface of the top steel sealing plate 6 is equipped with the shearing resistance keyway with the adaptable setting of shear key 5, downward indent 7.The shearing resistance keyway 7 and the mechanical machine-shaping of 6 one of top steel sealing plate, the shearing resistance keyway 7 are on bottom end steel sealing plate 6 and anti- It cuts key 5 and is adapted setting.Groove in the present embodiment to be centrally located in center.

The bottom end steel sealing plate 4 of the upper prop section 1 is fitted closely with the top steel sealing plate 6 of lower prop section 2, while bottom end steel sealing plate 4 shear key 5 is caught in downwards in the shearing resistance keyway 7 of top steel sealing plate 6, and shear key 5 is fitted close with shearing resistance keyway 7, lower prop section 2 The edge of top steel sealing plate 6 and the bottom end steel sealing plate 4 of upper prop section 1 beyond corresponding column section surrounding it is uniformly distributed by surrounding column septa intersegmental Bending resistance part 8 be connected to one.Bending resistance part described in the present embodiment 8 is bending resistance fastening bolt, including screw rod 81 and nut 82。

The bottom end steel sealing plate 4 is identical as the size of top steel sealing plate 6 and is all higher than the size of column section.The top steel envelope Edge of the plate 6 beyond corresponding column section surrounding is provided with top connecting hole 61, and the bottom end steel sealing plate 4 exceeds the side of corresponding column section surrounding Portion is provided with bottom end connecting hole 41.Screw rod 81 in the present embodiment sequentially passes through top connecting hole 61 and bottom end connecting hole 4 and passes through The nut for being fastened to 6 lower surface of top steel sealing plate is fixed.

In order to make the continuity and globality of prefabricated post vertical applied force upon connection, it need to ensure the shearing strength of shear key not Less than the shearing strength of column section itself, the moment capacity of bending resistance part is not less than the anti-bending bearing capacity of column section itself.

Simultaneously in order to further enhance bearing capacity, the bottom end put more energy into 9 include pre-buried enclosing column section bottom end surrounding bottom Steel bushing 91 is held, the flush with outer surface of the outer surface and column section of the bottom end steel bushing 91, it 9 further includes bottom end steel bushing that the bottom end, which is put more energy into, Between 91 and bottom end steel sealing plate 4, around the bottom end stiffener 92 of column section setting in one week.

The outer surface of 92 spatial vertical bottom end steel bushing 91 of the bottom end stiffener and the upside table of bottom end steel sealing plate 4 Face, and be both welded to connect, the top edge of bottom end stiffener is concordant with the top edge of bottom end steel bushing 91, bottom end stiffener 92 outer edge is concordant with the outer edge of bottom end steel sealing plate 4.

The top put more energy into 10 include pre-buried enclosing column section top end part surrounding top steel bushing 101, the top steel bushing 101 Outer surface and column section flush with outer surface, the top put more energy into 10 further include between top steel bushing 101 and top steel sealing plate 6, Around the top stiffener 102 of column section setting in one week.

The outer surface of 102 spatial vertical top steel bushing 101 of the top stiffener and the downside table of top steel sealing plate 6 Face, and be both welded to connect, the lower edge of top stiffener is concordant with the lower edge of top steel bushing 101, and top is put more energy into The outer edge of plate 102 is concordant with the outer edge of top steel sealing plate 6.

In the present embodiment, bottom end stiffener 92 is respectively provided with four per side, and 16 are arranged altogether.Bottom end connecting hole 41 is opened in Between corresponding bottom end stiffener 92.Bottom end stiffener 92 includes twice side rib and twice middle rib per side, and rib setting in side is in column Corner is saved, the side of side rib is concordant with the edge of column section.The setting corresponding with about 92 bottom end stiffener of top stiffener 102. Top connecting hole 61 is opened between corresponding top stiffener.

The construction method of this prefabricated assembled frame column of curved scissors separate type, construction procedure are as follows:

Step 1, the length for designing each layer column section make column section stitching portion be located at frame column 3 at the moment of flexure inflection point of interlayer, if Count the positions and dimensions of shear key setting, the position of design bending resistance part setting and number.

Step 2, on factory process top steel sealing plate 6, bottom end steel sealing plate 4, top put more energy into 10 and bottom end put more energy into 9.

It is machined integrally formed shearing resistance keyway 7 on top steel sealing plate 6, top connecting hole is opened up on top steel sealing plate 6 61。

It is machined integrally formed shear key 5 on bottom end steel sealing plate 4, bottom end connecting hole 41 is opened up on bottom end steel sealing plate 4.

In prefabricated upper prop section, by the welding of bottom end steel bushing 91 and bottom end steel sealing plate 4, bottom end stiffener 92 is welded on bottom end Between steel bushing 91 and bottom end steel sealing plate 4, it is fixedly connected with the anchor pole anchored into column section on the inner wall of bottom end steel bushing 91, then pours The concrete of column section makes the pre-buried bottom end steel sealing plate 4 of column section bottom face, and the lower concrete of column section is with bottom end steel bushing 91 and bottom end steel Sealing plate 4 is in template is cast in, and the outer surface of column section rest part concrete is concordant with the outer surface of bottom end steel bushing 91 to be poured It builds.

In prefabricated lower prop section, by the welding of top steel bushing 101 and top steel sealing plate 6, top stiffener 102 is welded on top It holds between steel bushing 101 and top steel sealing plate 6, the anchor pole anchored into column section is fixedly connected on the inner wall of top steel bushing 101, then Pouring the concrete of column section makes the pre-buried top steel sealing plate 6 of column section top end face, and the top concrete of column section is with top steel bushing 101 and top End steel sealing plate 6 is in template is cast in, and the outer surface of column section rest part concrete is flat with the outer surface of top steel bushing 101 It pours together.

Step 3 transports the prefabricated column section of each layer to construction site.

Step 4, according to design connection first layer column section and second layer column section, first layer column section is lower prop section 2 at this time, the Two layers of column section are upper prop section 1, and the bottom end steel sealing plate 4 of upper prop section is fitted closely with the top steel sealing plate 6 of lower prop section, while by bottom end The shear key 5 of steel sealing plate 4 is caught in downwards in the shearing resistance keyway 7 of top steel sealing plate 6, and shear key 5 is fitted close with shearing resistance keyway 7, Top connecting hole 61 is aligned with bottom end connecting hole 41, and screw rod 81 is penetrated holes and fastening nut 82 successively, and two layers of column section is made to spell It is connected in one.

Step 5, successively splicing column section completes the frame column of entire frame structure until constructing upwards.

Claims (7)

1. a kind of prefabricated assembled frame column of curved scissors separate type, it is characterised in that:The precast concrete spliced including about one group Column section, column section includes upper prop section(1)With lower prop section(2), the stitching portion of the column section is located in the interlayer of frame structure, column section At the moment of flexure inflection point in portion(3),
The bottom face of the column section is embedded with horizontal bottom end steel sealing plate(4), bottom end steel sealing plate(4)Center and column section it is transversal Face center overlaps, the bottom end steel sealing plate(4)Lower surface be equipped with downward evagination shear key(5),
The top end face of the column section is embedded with horizontal top steel sealing plate(6), top steel sealing plate(6)Center and column section it is transversal Face center overlaps, the top steel sealing plate(6)Upper surface be equipped with and shear key(5)It is adapted setting, the shearing resistance of downward indent Keyway(7),
The bottom end steel sealing plate(4)With top steel sealing plate(6)Size it is identical and be all higher than the size of column section,
The upper prop section(1)Bottom end steel sealing plate(4)With lower prop section(2)Top steel sealing plate(6)It fits closely, while bottom end steel Sealing plate(4)Shear key(5)It is caught in top steel sealing plate downwards(6)Shearing resistance keyway(7)It is interior, shear key(5)With shearing resistance keyway(7) It is fitted close, lower prop section(2)Top steel sealing plate(6)With upper prop section(1)Bottom end steel sealing plate(4)Beyond corresponding column section surrounding Edge passes through around the uniformly distributed bending resistance part of column septa intersegmental(8)It is connected to one,
The bottom end steel sealing plate(4)Bottom end is fixedly connected between column section to put more energy into(9), the top steel sealing plate(6)With column section Between be fixedly connected with top and put more energy into(10).
2. the prefabricated assembled frame column of curved scissors separate type according to claim 1, it is characterised in that:The shear key resists Cut the shearing strength that intensity is not less than column section itself.
3. the prefabricated assembled frame column of curved scissors separate type according to claim 2, it is characterised in that:The shear key(5) With bottom end steel sealing plate(3)One machinery machine-shaping, the shear key(5)In bottom end steel sealing plate(3)Upper center symmetric setting is Positioned at the combination of the convex block in bottom end steel sealing plate center, raised line or both,
The shearing resistance keyway(7)With top steel sealing plate(6)One machinery machine-shaping.
4. the prefabricated assembled frame column of curved scissors separate type according to claim 1-3 any one, it is characterised in that:It is described The moment capacity of bending resistance part is not less than the anti-bending bearing capacity of column section itself.
5. the prefabricated assembled frame column of curved scissors separate type according to claim 4, it is characterised in that:The bending resistance part(8) For bending resistance fastening bolt, including screw rod(81)And nut(82),
The top steel sealing plate(6)Edge beyond corresponding column section surrounding is provided with top connecting hole(61), the bottom end steel sealing plate (4)Edge beyond corresponding column section surrounding is provided with bottom end connecting hole(41), the screw rod(81)Sequentially pass through top connecting hole (61)With bottom end connecting hole(4)And by being fastened to top steel sealing plate(6)The nut of lower surface is fixed.
6. the prefabricated assembled frame column of curved scissors separate type according to claim 1-3,5, it is characterised in that:The bottom end adds Strength(9)Include the bottom end steel bushing of pre-buried enclosing column section bottom end surrounding(91), the bottom end steel bushing(91)Outer surface and column section Flush with outer surface, the bottom end is put more energy into(9)It further include bottom end steel bushing(91)With bottom end steel sealing plate(4)Between, surround column section one The bottom end stiffener of week setting(92),
The bottom end stiffener(92)Spatial vertical bottom end steel bushing(91)Outer surface and bottom end steel sealing plate(4)Upside table Face, and be both welded to connect, the top edge of bottom end stiffener and bottom end steel bushing(91)Top edge it is concordant, bottom end is put more energy into Plate(92)Outer edge and bottom end steel sealing plate(4)Outer edge it is concordant;
It puts more energy on the top(10)Include the top steel bushing of pre-buried enclosing column section top end part surrounding(101), the top steel bushing (101)Outer surface and column section flush with outer surface, the top is put more energy into(10)It further include top steel bushing(101)It is sealed with top steel Plate(6)Between, around the top stiffener of the setting of column section one week(102),
The top stiffener(102)Spatial vertical top steel bushing(101)Outer surface and top steel sealing plate(6)Downside Surface, and be both welded to connect, the lower edge of top stiffener and top steel bushing(101)Lower edge it is concordant, top Stiffener(102)Outer edge and top steel sealing plate(6)Outer edge it is concordant.
7. a kind of construction method of the prefabricated assembled frame column of curved scissors separate type according to claim 6, which is characterized in that Construction procedure is as follows:
Step 1, the length for designing each layer column section make column section stitching portion be located at frame column at the moment of flexure inflection point of interlayer(3), Design the positions and dimensions of shear key setting, the position of design bending resistance part setting and number;
Step 2, in factory process top steel sealing plate(6), bottom end steel sealing plate(4), top puts more energy into(10)It puts more energy into bottom end(9);
Top steel sealing plate(6)The upper integrally formed shearing resistance keyway of mechanical processing(7), top steel sealing plate(6)On open up top connection Hole(61);
Bottom end steel sealing plate(4)The upper integrally formed shear key of mechanical processing(5), bottom end steel sealing plate(4)On open up bottom end connecting hole (41);
In prefabricated upper prop section, by bottom end steel bushing(91)With bottom end steel sealing plate(4)Welding, bottom end stiffener(92)It is welded on bottom Hold steel bushing(91)With bottom end steel sealing plate(4)Between, bottom end steel bushing(91)Inner wall on be fixedly connected with the anchor pole anchored into column section, Then pouring the concrete of column section makes the pre-buried bottom end steel sealing plate of column section bottom face(4), the lower concrete of column section is with bottom end steel bushing (91)With bottom end steel sealing plate(4)Interior, outer surface and the bottom end steel bushing of column section rest part concrete are cast in for template(91) Outer surface concordantly pour;
In prefabricated lower prop section, by top steel bushing(101)With top steel sealing plate(6)Welding, top stiffener(102)It is welded on Top steel bushing(101)With top steel sealing plate(6)Between, top steel bushing(101)Inner wall on be fixedly connected with and anchor into column section Anchor pole, then pouring the concrete of column section makes the pre-buried top steel sealing plate of column section top end face(6), the top concrete of column section is with top Steel bushing(101)With top steel sealing plate(6)Interior, outer surface and the top steel bushing of column section rest part concrete are cast in for template (101)Outer surface concordantly pour;
Step 3 transports the prefabricated column section of each layer to construction site;
Step 4, according to design connection first layer column section and second layer column section, first layer column section is lower prop section at this time(2), second Layer column section is upper prop section(1), the bottom end steel sealing plate of upper prop section(4)With the top steel sealing plate of lower prop section(6)It fits closely, simultaneously will Bottom end steel sealing plate(4)Shear key(5)It is caught in top steel sealing plate downwards(6)Shearing resistance keyway(7)It is interior, shear key(5)With shearing resistance Keyway(7)It is fitted close, top connecting hole(61)With bottom end connecting hole(41)Alignment, by screw rod(81)Holes and tight is penetrated successively Gu nut(82), two layers of column section splicing is made to be integrated;
Step 5, successively splicing column section completes the frame column of entire frame structure until constructing upwards.
CN201810192223.0A 2018-03-09 2018-03-09 Bending-shearing separated prefabricated assembly type frame column and construction method thereof CN108487457B (en)

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Application Number Priority Date Filing Date Title
CN201810192223.0A CN108487457B (en) 2018-03-09 2018-03-09 Bending-shearing separated prefabricated assembly type frame column and construction method thereof

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Application Number Priority Date Filing Date Title
CN201810192223.0A CN108487457B (en) 2018-03-09 2018-03-09 Bending-shearing separated prefabricated assembly type frame column and construction method thereof

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CN108487457A true CN108487457A (en) 2018-09-04
CN108487457B CN108487457B (en) 2020-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
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